CVE-2020-10019 Information

Description

USB DFU has a potential buffer overflow where the requested length (wLength) is not checked against the buffer size. This could be used by a malicious USB host to exploit the buffer overflow. See NCC-ZEP-002 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://docs.zephyrproject.org/latest/security/vulnerabilities.htmlcve-2020-10019 https://github.com/zephyrproject-rtos/zephyr/pull/23190 https://github.com/zephyrproject-rtos/zephyr/pull/23457 https://github.com/zephyrproject-rtos/zephyr/pull/23460 https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8